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A member asked:
How long after a root canal do i have to wait until the numbness wears off and my mouth gets back to normal?
5 doctors weighed in across 2 answers
Depends ...: It depends on the kind of local anesthetic used. Some can last up to 8 hours. But usually around 4 hours.
Answered 2/13/2022
5.5k views
Depends: It does not really matter what dental procedure was performed. What maters more is the type of numbing material was uses. Some are longer acting that others. A procedure like a root canal may require being numb longer so many dentists will use a longer acting medication to last through the procedure and to help post-treatment.
Answered 2/13/2022
5.4k views
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